FR 74 then FR 45 at Vienna
Treviso → Vienna → Athens
Timetable, Vienna time
09:55FR 74 from Treviso at the gate
09:50FR 45 to Athens leaves the gate
23 h 55 apart on the timetable, overnight
FR 45 leaves 23 h 55 after FR 74 arrives on the timetable: more than half a day, so not a connection we count.